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Finding the Fourth Proportional to 4,767.89, 7,151.87 and 1,958.27

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Solution

The fourth proportional to 4,767.89, 7,151.87 and 1,958.27 is: 2,937.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,767.89 : 7,151.87 = 1,958.27 : x
  2. Step 2: Convert to fraction form
    4,767.89/7,151.87 = 1,958.27/x
  3. Step 3: Cross multiply
    4,767.89x = 7,151.87 × 1,958.27
  4. Step 4: Simplify right side
    4,767.89x = 14,005,292.46
  5. Step 5: Solve for x
    x = 14,005,292.46/4,767.89
  6. Step 6: Final answer
    x = 2,937.42

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.